World Sustainable Energy Days 2026

The next edition of the World Sustainable Energy Days will take place in Wels, Austria, from 24 to 27 February 2026. Hosted by OÖ Energiesparverband, the event will include multiple conferences on topics related to energy efficiency and climate neutrality.

Agenda

With growing global competition and geopolitical uncertainty, the 2026 edition of the event will spotlight how the energy transition can lead to energy independence and affordability. The planned conferences will include the following:

• 24 February – Young Energy Researchers: This event will put a spotlight on the work and achievements of young researchers in the fields of energy efficiency and biomass, also offering an exciting networking opportunity for researchers and industry experts alike.
• 25 to 27 February – Energy Efficiency Conference: Amidst a changing global landscape, the Energy Efficiency Conference will discuss technologies, business models, and policies that will achieve energy efficiency and affordability.
• 25 February – European Pellet Conference: This conference will centre on how pellets and bioenergy can contribute to the energy transition in Europe. It will also host discussions on new opportunities and applications for bioenergy.
• 25 February – Energy Efficiency Policy: During this event, participants will be able to learn about and discuss new EU Policies related to energy efficiency. Related topics like regional action and energy security will also be discussed during this event.
• 25 February – Energy Communities: The integral roles of energy communities, One-Stop Shops, and citizens’ participation will be the topic of discussion during this event.
• 26 February – Industrial Energy Transition: Focusing on industrial energy policies and technologies, this conference will provide discussions about key legislation like the EU Clean Industrial Deal and developments in areas such as hydrogen and energy storage.
• 27 February – Smart E-Mobility: Technology, policy, and market updates on batteries and electric fleets will be some of the topics highlighted in this conference.

Drawing an audience of over 650 participants from more than 60 countries, the World Sustainable Energy Days will present an opportunity for participants to network with energy transition professionals. The conference languages are English and German, and simultaneous interpretation will be provided. 

A tradeshow, “WeBuild – Energiesparmesse”, will overlap with the World Sustainable Energy Days in Wels, taking place from 25 February to 1 March, offering an opportunity for participants to see showcases on product innovations from Austrian and international companies. 

A call for papers and speakers to be showcased during the World Sustainable Energy Days is currently open until 10 October 2025.